# -*- coding: utf-8 -*-
# 列表
exist_list = ['pepperoni', 'sausage', "cheese", "peppers"]
topping = raw_input("Please give me a topping:")
tops = []
if topping in exist_list:
    print("We have {}!".format(topping))
    tops.append(topping)
else:
    print("Sorry, we don't have {}".format(topping))
topping = raw_input("Please give me one more topping:")
if topping in exist_list:
    print("We have {}!".format(topping))
    tops.append(topping)
else:
    print("Sorry, we don't have {}".format(topping))

print("Here are your toppings:{}".format(tops))